build: add cache to setup-node GitHub action (#1214)

Author: ADobin

.github/workflows/build_deploy_gh_pages.yml

@@ -43,6 +43,7 @@ jobs:
         uses: actions/setup-node@v4
         with:
           node-version: "20.11.x"
+          cache: "npm"
 
       - name: Install and Build 🔧
         run: |